Current-power-pumping apparatus.



G. A. LARSON.

CURRENT POWER PUMPING APPARATUS.

APBLIUATION ULEB JULY 16,1909.

Patented Apr. 6, 1909.

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G. A. LARsoN. CURRENT POWER PUMPING APPARATUS.

APPLIOATION FILED JULY 16,1908.

91 7,464, Patented Apr. 6, 1909.

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@www Y Caf/@wf wow/'2' Q/Efgf www/Mig?? 'ifi GUS'lAF A. LARSON, OFSEATTLE, WASltllh'G'lOh'.

CUBRENT-PGWE R-UMPENG APELRATS.

To all whom it may concern:

Be it known that l, Gus'rar il. Lesson, a citizen of the United Statesof America, and a resident of the city of Seattle, in the county of Kingand State of Yil"ashington, have invented certain new and useful imirovements in Current-Power-Pumping ipparatus, of which the following isa specification.

My invention relates to pumping apparatus of the above type whereinreciprocating pumps are combined with a rotary drive, and the primaryobject thereof is to provide an eliicient pumping apparatus of simpleconstruction and positive operation.

Further objects and advantages will be set forth as the descriptionprogresses and those features on which l desire protection defined inthe following claims.

ln the accompanying drawings l have disclosed my invention in suchformas now preferred by me.

With reference to the accompanying drawings wherein like referencenumerals designate corresponding parts throughout: Figure l is a planview of a pumping apparatus embodying my invention, a portion of one ofthe water wheels being broken away.

Fig. 2 is a side elevation thereof in partial i section. Fig. 3 1s afragmentary view in horizontal section taken at the active end of one ofthe pump cylinders. F 4 is a vertical section taken online Ll-l of Fig.2. Fig. 5 is a fragmentary plan view in partial section, and Fig. 6 is afragmentary sectional view similar to Fig. 3 illustrating amodification.

My improved apparatus includes opposing cylinders l, l which at theiractive ends are provided with tubular side extensions, as 2,communicating with respective cylinders and engaging in collars 3 of atie frame comprising opposite rod sections 4 disposed longitudinally ofthe cylinders. 'lhese sections have screw threaded engagement withrespective collars V3 and with intermediate heads 5 suitably formed toprovide journals for a shaft 6 of the driving mechanism.

The extensions 2 are provided on their outer end portions with suitablescrew threads for engagement with correspondingly screw threaded binders7 which are adapted to press the collars 3 firmly against shoulders 3 ofsaid extensions as indicated in Fig. 3. These binders are convenientlyin the form of check valves which are suitably arranged Specieation ofLetters atent.

Patented April 6, 1909.

i908. Serial No. 443,992.

in connection with pipes, as 8 and Q, for intake and (ilischargerelatively to respective cylinders.

ln connection with the tie frame l have shown stands 10 which embracerespective cylinders l and are provided with apertured lugs l0 through.which adjacent rod sections e pass. y'lhese stands are rigidly securedto the cylinders l and rod sections e by means of set screws ll and ilrespectively and are adapted to serve conjointly ith legs l2 of thecylinders to support the apparatus in position on a suitable structureas a float 13.

ln -Fig. 6 l have illustrated a modified construction wherein extensions2 are provided in a form of T connection having connection through itsstem portion with the head of cylinder l and connected with collars 3 ofthe tie rods a in substantially the same manner as heretofore describedfor the extensions 2..

Secured to shaft 6 is a pin-wheel ll engaging with a mangle-rach l5connected with rods i6 of the pump pistons 17, and rotatable with saidshaft are wheels 18 adapted to d erive power from the current of thestream.

For a more perfect operation of the driving mechanism l aim to cushionthe effective force thereof in transmittal and thereby offersuitableleeway to the current power to overcome the set back tendencyincident to pulsations of the pumping mechanism. For this purpose lprovide give-and-talre connections between the mangle-rach and pistonrods. The said connections comprising springs or cushions 19 lying aboutrespective rods 16 and confined between collars lo thereof and adjacentends of sleeves 2O secured to the mangle rack and slidably cngaging eachits respective piston rod.

ln connection with the mangle-rack and tie frame l provide equalizingdevices for insuring proper mesh of said rack with pin wheel le. Thesaid devices consisting of arms l5 secured to said rack and slidablyengaging with re pective rod sections 4 whereby any tendency of the rackto ride said wheel will be corrected by the arms l5 bearing downwardlyor upwardly on the rods, as the case may be, to adjust bearings 5accordingly.

In the construction shown the adjacent arms l5 are formed integral andembrace respective sleeves 20 which have screw thread- America, is z 1.An apparatus of the character dcscribed comprising` a support, opposingcylinders thereon, a shaft extending across said support between saidcylinders and having Water Wheels fixed on its end portions, a pin Wheelon said shaft, pistons in said cylinders, a mangle rack connected to therods of said pistons` and arranged for engagement with said pin wheel,and tie rods connecting said cylinders and provided with bearings inwhich said shaft is journaled.

2. An apparatus of the character described comprising a support,opposing` cylinders thereon, reciprocatory pistons 1n said cylinders,stands in which said cylinders are supported, tie rods secured to saidstands and provided with bearings, a shaft journaled in the bearings ofsaid tie rods, a Water Wheel xed to said shaft, and means fortransmitting' power from said shaft to said pistons.

3. An apparatus of the character described comprising` a support,opposing cyl inders thereon provided With extensions, collars removablysecured on the extensions of said cylinders, stands in Which saidcylinders are mounted, tie rods removably secured to said collars andstands, heads connected to said tie rods, a shaft journaled in saidheads,

reciprocatory pistons in said cylinders, a

Water Wheel 'fixed to said shaft, and means for transmitting power fromsaid shaft to said pistons.

el. An apparatus of the character described comprising a support,opposing cylinders thereon, reciprocatory pistons in said cylinders, ashaft provided with a Water ,vheel, tie rods connected to said cylindersand formed With bearings in Which said shaft is journaled, said pistonsbeing provided with rods, means for transmitting power from said shaftto said pistons including a mangle rack, means yieldingly connectingsaid piston rods to said mangle rack, and guide means fixed to saidmangio raclr slidably engaged with said tie rods.

Signed at Seattle, Washington, this 30th day of June, 1908.

ACTUSTAF A. LARSON.

Witnesses z FRANK E. ADAMS, STEPHEN A. Bnooxs.

